William Pencak Books

Jews and Gentiles in Early America

By William Pencak

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The films of Derek Jarman

By William Pencak

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"Derek Jarman's films explore the possibilities and limitations of same-sex love and self-expression during various historical eras, from ancient Egypt to present times. His work covers a millenniu...

History, signing in

By William Pencak

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America s Burke

By William Pencak

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New York and the Rise of American Capitalism

By Conrad Edick Wright, William Pencak

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War, politics & revolution in provincial Massachusetts

By William Pencak

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For God & country

By William Pencak

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The Conflict Of Law And Justice In The Icelandic Sagas.

By William Pencak

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Historical dictionary of colonial America

By William Pencak

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"The years between 1450 and 1550 marked the end of one era in world history and the beginning of another. Most importantly, the focus of global commerce and power shifted from the Mediterranean Sea...

Historical dictionary of colonial America

By William Pencak

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.